68401449570 has 32 divisors (see below), whose sum is σ = 165416644800. Its totient is φ = 18101145920.

The previous prime is 68401449569. The next prime is 68401449601. The reversal of 68401449570 is 7594410486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8698545 + ... + 8706404.

It is an arithmetic number, because the mean of its divisors is an integer number (5169270150).

Almost surely, 2^68401449570 is an apocalyptic number.

68401449570 is an abundant number, since it is smaller than the sum of its proper divisors (97015195230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68401449570 is a wasteful number, since it uses less digits than its factorization.

68401449570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17405090.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 68401449570 in words is "sixty-eight billion, four hundred one million, four hundred forty-nine thousand, five hundred seventy".